*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

::-webkit-scrollbar {
  display: none;
}

/* ACTIVE MENU */
.active::after {
  position: absolute;
  content: "";
  width: 100%;
  height: 0.18rem;
  left: 0;
  top: 2rem;
  background-color: var(--first-color);
}

@media screen and (min-width: 768px) {
  body {
    margin: 0;
  }
}

.main_timeline {
  width: 100%;
  min-height: 100vh;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 1.25rem 5rem 1.25rem;
  gap: 2rem;
  overflow-x: hidden;
}

.timeline_container {
  margin: 2rem 0;
  position: relative;
}

.timeline_container .indicator_line {
  position: absolute;
  height: 100%;
  width: 4px;
  background: #4c67e2;
  left: 50%;
  top: 1.25rem;
  transform: translateX(-50%);
  border-radius: 6px;
}
.timeline_container .timeline_box {
  display: flex;
}
.timeline_container .box-1 {
  justify-content: flex-start;
}
.timeline_container .box-2 {
  justify-content: flex-end;
}
.timeline_container .timeline_box .timeline_card {
  width: calc(50% - 40px);
  /* width: 46.75%; */
  height: auto;
  background: #cccccc;
  border-radius: 0.625rem;
  backdrop-filter: blur(1px);
  padding: 0.938rem 1.25rem;
  position: relative;
  box-shadow: 4px 4px 15px rgba(0, 0, 0, 0.3), -4px -4px 15px rgba(0, 0, 0, 0.3);
}

.timeline_container .timeline_box .timeline_card::before {
  position: absolute;
  content: "";
  height: 15px;
  width: 15px;
  background: #cccccc;
  backdrop-filter: blur(10px);
  top: 1.25rem;
  z-index: -1;
  transform: rotate(45deg);
}
.box-1 .timeline_card::before {
  right: -7px;
}
.box-2 .timeline_card::before {
  left: -7px;
}
.timeline_box .timeline_card .icon,
.indicator_line .scroll-icon {
  position: absolute;
  background: rgba(0, 0, 0, 0.6);
  height: 30px;
  width: 30px;
  border: 3.5px solid #4c67e2;
  backdrop-filter: blur(15px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.timeline_box .timeline_card .icon .circle {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: white;
  box-shadow: 2px 2px 10px rgba(234, 255, 1, 0.8),
    -2px -2px 10px rgba(234, 255, 1, 0.8);
}

.timeline_box .timeline_card .icon:hover {
  animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* Animation ping */
@keyframes ping {
  75%,
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.box-1 .timeline_card .icon {
  top: 0.75rem;
  right: -3.438rem;
}
.box-2 .timeline_card .icon {
  top: 0.938rem;
  left: -3.438rem;
}

.timeline_box .timeline_content .company_box {
  width: 100%;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.575rem;
}
.timeline_box .timeline_content .role {
  color: #04081b;
  font-size: 1.375rem;
  font-weight: bold;
}
.timeline_box .timeline_content .company_name {
  color: #cad4ff;
  font-size: 0.8rem;
  font-weight: 400;
  padding: 0.125rem 0.875rem;
  background: rgba(4, 8, 27, 0.46);
  border-radius: 0.938rem;
  cursor: pointer;
}
.timeline_box .timeline_content .working_detail {
  width: 100%;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.timeline_box .timeline_content .working_detail .type {
  color: #202020;
  font-size: 1rem;
  font-weight: 400;
  font-style: italic;
}
.timeline_box .timeline_content .working_detail .type span {
  color: #202020;
  font-size: 0.9rem;
  font-weight: 400;
  font-style: normal;
}
.timeline_box .timeline_content .working_detail .duration_time {
  color: #202020;
  font-size: 0.9rem;
  font-weight: 400;
  margin: 0;
}

.timeline_box .timeline_content hr {
  width: 100%;
  height: 1px;
  background: #aaaaaa;
  border: 0;
  margin: 1.2rem 0;
}
.timeline_box .timeline_content .tags {
  width: 100%;
  height: auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.timeline_box .timeline_content .tags .tag_btn {
  padding: 0.125rem 0.625rem;
  border-radius: 0.25rem;
  background: rgba(76, 103, 226, 0.5);
  font-size: 0.85rem;
  font-weight: 300;
  outline: none;
  border: none;
  cursor: pointer;
}
.timeline_box .timeline_content .desc {
  color: #4d4d4d;
  font-weight: 300;
  font-size: 0.975rem;
}

/* Media Query */
@media (max-width: 768px) {
  .timeline_container {
    margin: 0.5rem;
  }
  .timeline_container .indicator_line {
    left: 1.875rem;
  }
  .timeline_container .timeline_box {
    margin: 1.875rem 0 0.188rem 3.75rem;
  }
  .timeline_container .timeline_box .timeline_card {
    width: 100%;
  }
  .box-1 .timeline_card::before {
    left: -0.438rem;
  }
  .box-1 .timeline_card .icon {
    left: -2.813rem;
  }
  .box-2 .timeline_card .icon {
    left: -2.813rem;
  }
  .timeline_box .timeline_content .role {
    color: #04081b;
    font-size: 1rem;
    font-weight: bold;
  }
}
@media (max-width: 440px) {
  .timeline_container .indicator_line,
  .timeline_box .timeline_card::before,
  .timeline_box .timeline_card .icon {
    display: none;
  }
  .timeline_container .timeline_box {
    margin: 0.625rem 0;
  }
}